<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>xpath test</title>
</head>
<body>
<div class='a'>1</div>
<div>2</div>
<div class='a'>3</div>
<div>4</div>
<div>5</div>11
<tag>6</tag>12
<div>7</div>
</body>
</html>